55951 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55951 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55951. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 55951
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-188-7700
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 09/07/1984

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

1.9995 inches minimum and 2.0000 inches maximum bore diameter, 1.9950 inches minimum and 2.0000 inches maximum inner member width, groove and perforation inner member lubrication feature, groove and perforation outer race member lubrication feature, 36.0 rockwell c minimum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-188-7700 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.9995 inches minimum and 2.0000 inches maximum
Hardness Rating: 36.0 rockwell c minimum inner member
Inner Member Width: 1.9950 inches minimum and 2.0000 inches maximum
Lubrication Feature: groove and perforation inner member
Lubrication Feature: groove and perforation outer race member
Material Document And Classification: ams 5643 assn std single material response outer race member
Material Document And Classification: qq-c-465 fed spec single material response race insert
Material Document And Classification: qq-c-530 fed spec single material response inner member
Material: copper alloy inner member
Material: copper alloy race insert
Material: grease lubrication
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 3.6865 inches minimum and 3.6875 inches maximum
Outer Member Width: 1.5950 inches minimum and 1.6000 inches maximum
Style Designator: with insert and/or liner with staking groove

Frequently Asked Questions

Find quick answers to common questions about bearing: 55951. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-188-7700?: The FSCG of the NSN 3120-01-188-7700 is 3120

Does the NSN 3120-01-188-7700 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-188-7700 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-01-188-7700 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-188-7700 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.